I had a lot of 'snow' accumulating in the freezer. A technician came and said maybe the airflow was blocked and the first thing to do which would probably solve the problem would be to defrost. I defrosted for 24 hours, then reconnected.
After five hours all looked fine, but I could hear an intermittent hissing noise (like when you put a hot pan in cold water) when I opened the freezer. Now, a day later, I can see a very thin layer of ice building up mainly on the rails for the bins, which makes it difficult to open. There is more buildup on the right side than the left. This ice can only be cleaned with a warm sponge. I tried with a cloth and it just stuck to it.
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Re: Slow buildup of ice in freezer
The hissing is normal. It was in defrost. The frost may be caused by a bad seal around freezer door. Check to be sure seal is hitting properly all around door. Also be sure door is getting closed properly.
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here are lots of things that can cause cooling problems. One of the most common causes of poor cooling in a frost free refrigerator is a defrost system failure. In such a case one or the other compartment may appear to be keeping proper temperature but that too may change in a short period of time. The fridge compartment's temperature rise is usually (but not always) the first to be noticed. Frost" and "Ice"
There is a difference between "frost" (a white, snow-like substance) and "ice" (usually clear and solid). When referring to what is seen during an inspection, please keep this distinction in mind as the possible causes for each are often very different. The Defrost System
Inspecting the (usually rear) wall of the freezer compartment for a frost build up is necessary. (In the case of many GE top freezer models, check the freezer's bottom panel.) If there is a frost coating on it, it is often a sign of excessive frosting beneath it. Sometimes however the evaporator cover panel will actually need to be removed (see the illustration below) before an excessive frost build will visible.
The refrigeration system's evaporator (cooling) coil is usually in the freezer compartment. This evaporator will periodically frost over and have to be defrosted by means of a heating system. When the defrost heating system fails, the frost can accumulate to such a degree that airflow throughout the appliance is hampered. There may be just enough air circulation to cool the freezer section but that will eventually stop too.
What Jorge and Bill say, makes sense. On the other hand when old freezers don't perform well, they consume lots of power. New freezers cool better with less power. You could save hundreds of kilowatt a year with a new freezer for their better insulation and higer efficiency.
It is normal unless there is a lot of dust below your refrigerator blocking airflow. What you feel is hot gas tubes behind the surface of the metal to help reduce moisture around the door frame and door seals that will get hotter should the fan and condenser below refrigerator have a blockage of dust blocking airflow, Sea Breeze.
In freezing weather the heat pump efficiency drops. The freezing is normal. The equipment has a board and sensor to defrost your heat pump. Now this system can fail but freezing rain and snow get pulled into the unit get pulled into the unit coil and freeze blocking airflow. You can defrost the unit by turning it to cooling. This is what the defrost board does automatically.
The cooling in the ref. section is done w/ a vent that passes air from the freezer. The adjustment maybe labeled "freezer temp". When you locate it, check w/ hand for cool airflow. Insure that it is not blocked. Set vent control @midpoint and give it 24 hrs to stableize.
P.S. If you have a defrost problem, the coil will frostup and not allow proper airflow. Check rear panel for frost build-up, and check if your freezer can keep ice cream hard. If either, leave unit off overnight w/ doors proped open, then re-check operation.
The drain is clogged. When the drain clogs it can also clogs the airflow vents. Remove the back wall of the freezer to access the drain. Remove all the ice blocking the drain and the vents. Then use a trukey baser to force hot water down the drain until water flows freely. Then mix water with baken soda and pour it down the drain. http://www.appliance-repair-it.com/refrigerator-leaking.html
fan motor running in freezer?- put unit in defrost the timer has a slotted set screw turn clockwise the unit will go into defrost the electric heater will start/ the fan in freezer and compressor will stop do a few times to get rid of ice if does not go into defrost a couple of things maybe wrong the first thing to check is fan motor in freezer should be running if not everthing will freeze